Abstract: A method in a wireless device is disclosed. The method comprises sending a scheduling request to a network node, and receiving, from the network node in response to the scheduling request, a grant of uplink resources. The method further comprises determining whether the granted uplink resources are at least equal to or larger than the resources required for transmission of both a buffer status report (BSR) and a sidelink BSR, and upon determining that the granted uplink resources are at least equal to or larger than the resources required for transmission of both the BSR and the sidelink BSR, communicating the BSR and the sidelink BSR to the network node in a single medium access control (MAC) protocol data unit (PDU).

Abstract: According to some embodiments, a method in a network node of a wireless network for aligning discovery reference signal (DRS) occurrences comprises determining a first DRS occurrence configuration that comprises a schedule for transmission of a first series of DRS occurrences. The method further comprises determining a first discovery measurement timing configuration (DMTC) that comprises a schedule for receiving DRS occurrences that is aligned with a first subset of DRS occurrences of the first series of DRS occurrences. The method further comprises determining a second DMTC that comprises a schedule for receiving DRS occurrences that is aligned with a second subset of DRS occurrences of the first series of DRS occurrences, wherein the second subset of DRS occurrences is different than the first subset of DRS occurrences. The method further comprises communicating the first DMTC to a first wireless device and the second DMTC to a second wireless device.

Abstract: Systems and methods relating to the reduction of signaling for selecting or re-selecting a relay wireless device in a cellular communications network. Embodiments of a method of operation of a relay wireless device in a cellular communications network are provided. The relay wireless device is a wireless device having relay functionality. In some embodiments, the method of operation of the relay wireless device comprises receiving a relay request from a remote wireless device, wherein the remote wireless device is a wireless device desiring a connection to the cellular communications network via a relay wireless device. The method further comprises determining whether one or more criteria for responding to the relay request are satisfied and responding to the remote wireless device upon determining that the one or more criteria for responding to the relay request are satisfied.

Abstract: There is disclosed herein systems, methods, and apparatuses for floor control in a push to talk communication session. According to certain embodiments, a method for floor control comprises, prior to transmitting a first message to one or more wireless devices (110a), determining, at a first wireless device (110), a priority of the first message. The method also comprises determining, at the first wireless device (110), whether a floor is available for transmitting the first message based on the determined priority of the first message. The method additionally includes, upon the floor being available, transmitting the first message from the first wireless device (110) to the one or more wireless devices (110a). The method additionally includes transmitting the first message (260) from the first wireless device (110) without the first wireless device (110) first requesting the floor from a remote floor controller.

Abstract: Methods for changing a carrier type from a first carrier type to a second carrier type are disclosed. An example method may be implemented in one or more nodes of a cellular system that includes a plurality of cells that can each be selectively operated with either a first carrier type or a second carrier type, one of the first and second carrier types either having substantially fewer reference symbols than the other or lacking a control structure supported by the other, or both. The example method begins with determining (800) that a cell or cells should be switched from the first carrier type to a second carrier type. This may be done based on, for example, an evaluation of UE performance criteria, e.g., whether one or more UEs are capable of operating on the second carrier type and/or whether one or more UEs may receive a higher quality of service from the second carrier type.

Abstract: In one example embodiment, a method for identifying interfering physical channel configurations and cell-specific reference signals (CRSs) for the characterization of dynamic interferers includes constructing configuration indications. Each configuration indication may include a physical cell identity, antenna port information for a cell-specific reference signal (CRS), and an identification of a channel state information reference signal (CSI-RS). First and second configuration indications may be transmitted to a first wireless device. A first physical channel may be transmitted to the first wireless device. A second physical channel transmitted from a second network node may interfere with the first physical channel and be identifiable at least in part based on the first and second configuration indications. The first and second configuration indications may include a same physical cell identity and same antenna port information.

Abstract: Methods and apparatus for improving the reporting of mobility information are disclosed. An example method, suitable for implementation in a mobile terminal such as an LTE UE, begins with the detecting of a transition from idle state to connected state. The mobile terminal subsequently transmits mobility information to the network in response to or in connection with the transition. The mobility information sent to the network includes one or more of several information elements or information types, including a list of recently visited cells, including information specifying a time-of-stay in each cell, or timestamp information that can be used to derive the mobile terminal's time in each cell. GPS-based speed information or other generic speed information may be included. Complementary methods for implementation in a base station and corresponding apparatus are also disclosed.

Abstract: Network node (120) and method (300) in a network node (120), which is serving a user equipment (110), for instructing the user equipment (110) to send a measurement report in a wireless communication network (100) comprising the network node (120) and an underlay network node (130). The method (300) comprises estimating (302) an amount of data the user equipment (110) is expected to communicate. Further, the method (300) also comprises determining (303) the user equipment (110) to be a candidate for hand over to the underlay network node (130), based on the estimated (302) amount of data. Additionally, the method (300) comprises instructing (305) the user equipment (110) to send a measurement report.

Abstract: Methods and apparatus for improving the reporting of mobility information are disclosed. An example method, suitable for implementation in a mobile terminal such as an LTE UE, begins with the detecting of a transition from idle state to connected state. The mobile terminal subsequently transmits mobility information to the network in response to or in connection with the transition. The mobility information sent to the network includes one or more of several information elements or information types, including a list of recently visited cells, including information specifying a time-of-stay in each cell, or timestamp information that can be used to derive the mobile terminal's time in each cell. GPS-based speed information or other generic speed information may be included. Complementary methods for implementation in a base station and corresponding apparatus are also disclosed.

Abstract: Embodiments herein relate to e.g. methods performed in first and second communication devices for enabling device to device communication between the first communication device and the second communication device in a radio communications network. The first communication device transmits data in a first data transmission to the second communication device according to a first transmission pattern. The first communication device also transmits control information with the data to the second communication device, which control information indicates a second transmission pattern for a next data transmission from the first communication device to the second communication device. The second communication device receives the control information with the data in the first transmission. Further embodiments relate to the first and second communication devices.

Abstract: The invention relates to a method for detecting that an additional serving cell is activated is provided. The method is implemented by a wireless device and a network node of a system supporting carrier aggregation. The network node serves the wireless device configured with a first serving cell and the additional serving cell. The network node method comprises configuring (710) the wireless device to transmit feedback information associated with the additional serving cell at a first rate, and transmitting (520) a command to the wireless device to activate the additional serving cell. The method also comprises detecting (530) the activation of the additional serving cell based on reception of feedback information from the wireless device, and configuring (540) the wireless device to transmit feedback information associated with the additional serving cell at a second rate after activation, where the second rate is lower than the first rate.

Abstract: A method in a wireless device is disclosed. The method comprises receiving one or more resource pool configurations for a particular discovery carrier, the one or more resource pool configurations comprising information indicating one or more of resource elements and subframes that the wireless device should use to monitor for incoming discovery messages and transmit outgoing discovery messages, the received one or more resource pool configurations comprising at least a first resource pool configuration received from a serving network node of the wireless device operating in Time Division Duplex (TDD) mode. The method comprises determining which of the received one or more resource pool configurations that the wireless device should use to monitor for incoming discovery messages and transmit outgoing discovery messages.

Abstract: A method performed by a network node for adapting an allocation of radio resources to at least one wireless device for D2D communications. The at least one wireless device is located in a cell served by the network node. The network node obtains a measurement of interference level on allocated D2D radio resources to the at least one wireless device. The network node also adapts the allocation of radio resources for D2D communications, based on the obtained measurement.

Abstract: There is provided a method in a radio base station for handling cell reselection for a user equipment, UE, in a wireless communications network. The UE is associated with a first cell of the radio base station, which first cell has a first frequency. The wireless communications network comprises a second cell having a second frequency, which second cell has at least partly overlapping coverage with the first cell, and a third cell having the second frequency, which third cell has at least partly overlapping coverage with the first cell. The radio base station transmits cell reselection priority values to the UE, wherein the cell reselection priority values comprise a first priority value for the second cell, and a second priority value for the third cell.

Abstract: According to some embodiments, a method of device-to-device (D2D) communication in a wireless communication network comprises a wireless device determining a division of a set of resources allocated for D2D communication into a plurality of regions. Each region of the plurality of regions is associated with a priority level, and the set of resources comprises a plurality of resource pools. Using a priority of the first wireless device and the division of the set of resources, the first wireless device determines one or more resources from the plurality of resource pools for transmission of a communication from the wireless device. The wireless device transmits the communication to another wireless device using the determined one or more resources.

Abstract: The disclosure relates to a method (100) performed in a wireless device (1500) for handling connectivity to two network nodes (1, 2). The method (100) comprises receiving (101), from a first network node (1), a radio resource configuration message, the radio resource configuration message indicating a change in configuration of a connection towards a second network node (2); applying (102) the change in configuration towards the second network node (2) in response to the radio resource configuration message; and initiating (103) a random access procedure towards the second network node (2) after applying the change in configuration. The disclosure relates to corresponding wireless device, and to methods in network nodes, network nodes, computer programs and computer program products.

Abstract: The present invention relates to a method in a node of a cellular network for supporting mobility, to a method in a user equipment for supporting mobility to in the cellular network, and to corresponding devices. According to one aspect, a method for supporting mobility in a cellular network is provided. The method runs in a node for the cellular network. According to the method, the node receives from a user equipment, an information of a radio link failure of a radio link between the user equipment and the cellular network and the node receives information related to a mobility of the user equipment. Based on the received information, the node adjusts at least one mobility parameter to increase robustness of mobility. The present invention improves robustness of mobility functions in a cellular network.

Abstract: The disclosure relates to enabling exchange of control messages between one user equipment 20 and multiple base stations 30a, 30b in a Long Term Evolution network. The present disclosure presents a method, performed in a first eNodeB 30a, wherein the first eNodeB defines a first cell 40a in a Long Term Evolution network, of enabling at least one second eNodeB 30b that defines a second cell 40b in a Long Term Evolution network, to exchange control messages with a user equipment 20 being connected to the first eNodeB. The method comprises the step of transmitting in the first cell, a first Channel State Information Reference Signal, CSI-RS. The method further comprises sending to the at least one second eNodeB, a request for the at least one second eNodeB to transmit a second Channel State Information Reference Signal, CSI-RS. Finally the method comprises sending, to the user equipment, a message configuring the user equipment with at least one enhanced physical downlink control channel set.

Abstract: The present invention relates to a user equipment and a radio base station, and to related methods of enabling the radio base station to affect an energy saving in the system during a connection between the user equipment and the radio base station according to a priority level of the energy saving. The method comprises the step of detecting a trigger received via a user interface of the user equipment, where the trigger is associated with the priority level of the energy saving in the system. It also comprises transmitting an indicator of the priority level to the radio base station, allowing the radio base station to affect the energy saving in the system during the connection according to the priority level, by configuring different user or system related parameters.

Abstract: According to some embodiments, a method in a network node of a wireless network for aligning discovery reference signal (DRS) occurrences comprises determining a first DRS occurrence configuration that comprises a schedule for transmission of a first series of DRS occurrences. The method further comprises determining a first discovery measurement timing configuration (DMTC) that comprises a schedule for receiving DRS occurrences that is aligned with a first subset of DRS occurrences of the first series of DRS occurrences. The method further comprises determining a second DMTC that comprises a schedule for receiving DRS occurrences that is aligned with a second subset of DRS occurrences of the first series of DRS occurrences, wherein the second subset of DRS occurrences is different than the first subset of DRS occurrences. The method further comprises communicating the first DMTC to a first wireless device and the second DMTC to a second wireless device.